_SynchronizeWithTextBuffer
_SynchronizeWithTextBuffer(0, -1);
_SynchronizeWithTextBuffer(0, -1);
_SynchronizeWithTextBuffer(newFirstLine, oldFirstLine - 1);
_SynchronizeWithTextBuffer(oldLastLine + 1, newLastLine);
_SynchronizeWithTextBuffer(0, -1);
_SynchronizeWithTextBuffer(0, -1);
_SynchronizeWithTextBuffer(0, -1);
void _SynchronizeWithTextBuffer(